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This is my project for JS #47

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This is my project for JS #47

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83 changes: 73 additions & 10 deletions index.html
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Original file line number Diff line number Diff line change
@@ -1,13 +1,76 @@
<!DOCTYPE html>
<html>
<head>
<title>JavaScript Foundations</title>
<meta charset="UTF-8">
<meta name="viewport" content="width=device-width, initial-scale=1.0">
</head>
<body>
<p>Open up the console to check your work!</p>

<script src="index.js"></script>
<head>
<link href="//netdna.bootstrapcdn.com/twitter-bootstrap/2.3.2/css/bootstrap-combined.min.css" rel="stylesheet"/>
<link href="//netdna.bootstrapcdn.com/font-awesome/3.2.1/css/font-awesome.min.css" rel="stylesheet"/>

</head>

<body class="container">
<div class="row">
<div class="span6">
<h1 align="center">JavaScript Foundations Mortgage Calculator</h1>
<form class="form-horizontal well" name="MortgageMinder" >
<div class="control-group">
<label class="control-label">House Price</label>
<div class="controls">
<input type="text" onchange="checkForZero(this)" onblur="checkForZero(this)" size="7" value="750000" name="price"></input>
</div>
</div>
<div class="control-group">
<label class="control-label">Interest Rate</label>
<div class="controls">
<input type="text" onchange="checkForZero(this)" onblur="checkForZero(this)" size="4" value="6" name="ir"></input>
</div>
</div>
<div class="control-group">
<label class="control-label">Years</label>
<div class="controls">
<input type="text" onchange="checkForZero(this)" onblur="checkForZero(this)" size="4" value="30" name="term">
</input>
</div>
</div>
<div class="control-group">
<label class="control-label">Down Payment</label>
<div class="controls">
<input type="text" size="7" onchange="calculatePayment(this.form)" value="0" name="dp">

</input>
</div>
</div>
<br/>
<div class="control-group">
<label class="control-label">Mortgage Principle</label>
<div class="controls">
<input type="text" size="7" placeholder="Automatically Calculated" name="principle">

</input>
</div>
</div>
<div class="control-group">
<label class="control-label">Total Payments</label>
<div class="controls">
<input type="text" size="6" placeholder="Your Number Of Payments Are" name="payments">

</input>
</div>
</div>
<div class="control-group">
<label class="control-label">Monthly Payment</label>
<div class="controls">
<input type="text" placeholder="Monthly Payments" size="7" name="pmt">
</input>
</div>
</div>
<div class="control-group">
<div class="controls">
<input type="button" class="btn btn-primary btn-large" onclick="cmdCalc_Click(this.form)" value="Calculate" name="cmdCalc">
</input>
</div>
</div>
</form>
<p> This is a project. Please refer to you bank for actual </p>
</div>
</div>
</body>
</html>
</html>
38 changes: 38 additions & 0 deletions index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -103,3 +103,41 @@ For example, variableInterestRate(200000, 0.04, 30) should console.log:


/* 🏡 Refactor your `variableInterestRate()` function to accept an array of interest rates (make sure to copy and paste as to not lose your work!) */








function checkForZero(field) {
if (field.value == 0 || field.value.length == 0) {
alert ("This field can't be 0!");
field.focus(); }
else
calculatePayment(field.form);
}

function cmdCalc_Click(form) {
if (form.price.value == 0 || form.price.value.length == 0) {
alert ("The Price field can't be 0!");
form.price.focus(); }
else if (form.ir.value == 0 || form.ir.value.length == 0) {
alert ("The Interest Rate field can't be 0!");
form.ir.focus(); }
else if (form.term.value == 0 || form.term.value.length == 0) {
alert ("The Term field can't be 0!");
form.term.focus(); }
else
calculatePayment(form);
}

function calculatePayment(form) {
princ = form.price.value - form.dp.value;
intRate = (form.ir.value/100) / 12;
months = form.term.value * 12;
form.pmt.value = Math.floor((princ*intRate)/(1-Math.pow(1+intRate,(-1*months)))*100)/100;
form.principle.value = princ;
form.payments.value = months;
}